Home / 13,598.14-18,765.38-7,629.83

Finding the Fourth Proportional to 13,598.14, 18,765.38 and 7,629.83

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Solution

The fourth proportional to 13,598.14, 18,765.38 and 7,629.83 is: 10,529.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.14 : 18,765.38 = 7,629.83 : x
  2. Step 2: Convert to fraction form
    13,598.14/18,765.38 = 7,629.83/x
  3. Step 3: Cross multiply
    13,598.14x = 18,765.38 × 7,629.83
  4. Step 4: Simplify right side
    13,598.14x = 143,176,659.29
  5. Step 5: Solve for x
    x = 143,176,659.29/13,598.14
  6. Step 6: Final answer
    x = 10,529.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.